Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10707868 | Proximity sensor and method | Masayuki Koizumi, Yusuke Nakayama | 2020-07-07 |
| 10527747 | Proximity sensor and detecting method | Masayuki Koizumi, Yusuke Nakayama | 2020-01-07 |
| 10488226 | Proximity sensor | Masayuki Koizumi, Chunmei Huang, Kenji Homma | 2019-11-26 |